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TransMedics Group, Inc.

TMDX
Exchange
Nasdaq
Industry
Electromedical & Electrotherapeutic Apparatus
SEC CIK
0001756262

In the last 90 days, TransMedics Group, Inc. insiders filed 1 open-market purchase and 0 sales; 375 institutions reported holding it in 13F filings for Q2 2026, worth $2.31B in total; no superinvestor holds it.

13F holders, Q3 2024

Institutional positions in TransMedics Group, Inc. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
374
+36 vs. Q2 2024
Shares held
36.7M
+5.52M (+17.7%) vs. Q2 2024
Total value
$5.74B
+$1.05B (+22.4%) vs. Q2 2024
New holders
77
136 more added
Sold out
41
122 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TMDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2024: 374 institutions
Q1 2021: 107 institutionsQ2 2021: 124 institutionsQ3 2021: 120 institutionsQ4 2021: 121 institutionsQ1 2022: 110 institutionsQ2 2022: 135 institutionsQ3 2022: 178 institutionsQ4 2022: 200 institutionsQ1 2023: 225 institutionsQ2 2023: 240 institutionsQ3 2023: 222 institutionsQ4 2023: 249 institutionsQ1 2024: 262 institutionsQ2 2024: 340 institutionsQ3 2024: 374 institutionsQ4 2024: 315 institutionsQ1 2025: 298 institutionsQ2 2025: 368 institutionsQ3 2025: 388 institutionsQ4 2025: 429 institutionsQ1 2026: 416 institutionsQ2 2026: 375 institutions
Value heldQ3 2024: $5.74B
Q1 2021: $773.0MQ2 2021: $623.5MQ3 2021: $636.5MQ4 2021: $384.7MQ1 2022: $561.4MQ2 2022: $719.7MQ3 2022: $1.18BQ4 2022: $1.79BQ1 2023: $2.26BQ2 2023: $2.73BQ3 2023: $1.91BQ4 2023: $2.76BQ1 2024: $2.52BQ2 2024: $5.09BQ3 2024: $5.74BQ4 2024: $2.30BQ1 2025: $2.63BQ2 2025: $4.93BQ3 2025: $4.17BQ4 2025: $4.53BQ1 2026: $3.63BQ2 2026: $2.31B
Institutions holding TMDX and their total value by quarter
QuarterHoldersValue
Q2 2026375$2.31B
Q1 2026416$3.63B
Q4 2025429$4.53B
Q3 2025388$4.17B
Q2 2025368$4.93B
Q1 2025298$2.63B
Q4 2024315$2.30B
Q3 2024374$5.74B
Q2 2024340$5.09B
Q1 2024262$2.52B
Q4 2023249$2.76B
Q3 2023222$1.91B
Q2 2023240$2.73B
Q1 2023225$2.26B
Q4 2022200$1.79B
Q3 2022178$1.18B
Q2 2022135$719.7M
Q1 2022110$561.4M
Q4 2021121$384.7M
Q3 2021120$636.5M
Q2 2021124$623.5M
Q1 2021107$773.0M

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding TransMedics Group, Inc.; share changes are against Q2 2024.

Institutions holding TMDX in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
American Capital Advisory, LLC2$3140.00%00.0%Unchanged
Capital Performance Advisors LLP4$6280.00%+4New
Massmutual Trust Co FSB5$7850.00%00.0%Unchanged
Concord Wealth Partners6$9420.00%+6New
Steward Partners Investment Advisory, LLC8$1.26K0.00%−49−86.0%Reduced
Principal Securities, Inc.8$1.26K0.00%+7+700.0%Added
Assetmark, Inc10$1.57K0.00%00.0%Unchanged
Continuum Advisory, LLC20$1.77K0.00%+17+566.7%Added
Capital Advisors, Ltd. LLC11$2.00K0.00%00.0%Unchanged
Whittier Trust Co of Nevada Inc13$2.04K0.00%00.0%Unchanged
Mather Group, LLC.16$2.51K0.00%+16New
LRI Investments, LLC29$2.57K0.00%00.0%Unchanged
Wolff Wiese Magana LLC17$2.67K0.00%+17New
Bell Investment Advisors, Inc18$2.83K0.00%00.0%Unchanged
Meeder Asset Management Inc18$2.83K0.00%+18New
Reuter James Wealth Management, LLC19$2.98K0.00%+19New
Banque Cantonale Vaudoise25$4.00K0.00%+25New
Cullen/Frost Bankers, Inc.26$4.08K0.00%+26New
Quadrant Capital Group LLC29$4.55K0.00%+4+16.0%Added
Bessemer Group Inc30$5.00K0.00%+30New
VitalStone Financial, LLC32$5.02K0.00%−2,275−98.6%Reduced
Rothschild Investment LLC32$5.02K0.00%+13+68.4%Added
Sterling Capital Management LLC33$5.18K0.00%+33New
Allworth Financial LP34$5.34K0.00%+8+30.8%Added
HighMark Wealth Management LLC40$6.28K0.00%00.0%Unchanged
Hanseatic Management Services Inc45$7.07K0.01%00.0%Unchanged
Walleye Trading LLC47$7.38K0.00%−1,179−96.2%Reduced
Geneos Wealth Management Inc.49$7.69K0.00%+49New
Macroview Investment Management LLC52$8.16K0.01%−5−8.8%Reduced
Kayne Anderson Rudnick Investment Management LLC53$8.32K0.00%+53New
Truvestments Capital LLC57$8.95K0.00%+57New
Smartleaf Asset Management LLC57$9.07K0.00%+50+714.3%Added
Mark Sheptoff Financial Planning, LLC69$10.8K0.01%+69New
Harbor Investment Advisory, LLC74$11.6K0.00%00.0%Unchanged
Covestor Ltd74$12.0K0.01%+72+3,600.0%Added
Global Retirement Partners, LLC77$12.1K0.00%−70−47.6%Reduced
Asset Dedication, LLC92$14.4K0.00%+92New
Northwestern Mutual Wealth Management Co93$14.6K0.00%+18+24.0%Added
City State Bank100$15.7K0.01%00.0%Unchanged
Umb Bank N A101$15.9K0.00%−145−58.9%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.109$17.1K0.00%+109New
Trust Co of Vermont110$17.3K0.00%00.0%Unchanged
Huntington National Bank110$17.3K0.00%+10+10.0%Added
Jones Financial Companies LLLP109$17.3K0.00%+34+45.3%Added
EverSource Wealth Advisors, LLC116$18.2K0.00%−7−5.7%Reduced
Coppell Advisory Solutions LLC126$20.1K0.00%−27−17.6%Reduced
WR Wealth Planners, LLC130$20.4K0.01%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC164$25.7K0.00%+82+100.0%Added
CWM, LLC178$28.0K0.00%+58+48.3%Added
GAMMA Investing LLC183$28.7K0.00%+41+28.9%Added
Jaffetilchin Investment Partners, LLC197$30.9K0.00%+197New
Householder Group Estate & Retirement Specialist, LLC242$37.0K0.01%+67+38.3%Added
Clearstead Advisors, LLC237$37.2K0.00%00.0%Unchanged
Mizuho Bank, Ltd.240$37.7K0.01%+240New
Tower Research Capital LLC (TRC)256$40.2K0.00%−4,692−94.8%Reduced
MCF Advisors LLC291$45.7K0.00%−76−20.7%Reduced
NBC Securities, Inc.301$47.0K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.300$47.1K0.02%00.0%Unchanged
Parallel Advisors, LLC304$47.7K0.00%+12+4.1%Added
USA Financial Portformulas Corp348$54.6K0.01%+348New
Quarry LP368$57.8K0.02%+312+557.1%Added
Leonteq Securities AG373$58.6K0.01%+320+603.8%Added
Oakworth Capital, Inc.412$64.7K0.00%00.0%Unchanged
National Bank of Canada412$64.7K0.00%+262+174.7%Added
Lindbrook Capital, LLC415$65.2K0.01%−8−1.9%Reduced
Adirondack Trust Co460$72.2K0.03%00.0%Unchanged
Signaturefd, LLC464$72.8K0.00%+21+4.7%Added
Farther Finance Advisors, LLC485$76.2K0.00%+316+187.0%Added
Ancora Advisors, LLC500$78.5K0.00%00.0%Unchanged
Fifth Third Bancorp500$78.5K0.00%+500New
Fred Alger Management, LLC518$81.3K0.00%00.0%Unchanged
Central Trust Co550$86.3K0.00%00.0%Unchanged
J.Safra Asset Management Corp583$92.8K0.01%+141+31.9%Added
CoreCap Advisors, LLC600$94.2K0.00%+180+42.9%Added
First Horizon Advisors, Inc.657$103.1K0.00%−6−0.9%Reduced
Van Eck Associates Corp987$117.0K0.00%−192−16.3%Reduced
Edmond de Rothschild Holding S.A.755$118.5K0.00%00.0%Unchanged
Rakuten Securities, Inc.805$126.4K0.05%+805New
IFP Advisors, Inc815$128.0K0.00%+379+86.9%Added
Venturi Wealth Management, LLC869$136.4K0.01%+219+33.7%Added
KBC Group NV921$145.0K0.00%00.0%Unchanged
Bryn Mawr Trust Co950$149.2K0.00%+950New
Cantor Fitzgerald, L. P.1,300$204.1K0.02%+1,300New
Jag Capital Management, LLC1,322$207.6K0.03%+1,322New
Walleye Capital LLC1,327$208.3K0.00%−12,376−90.3%Reduced
Brinker Capital Investments, LLC1,370$215.1K0.00%−28−2.0%Reduced
Orion Portfolio Solutions, LLC1,370$215.1K0.00%−28−2.0%Reduced
RB Capital Management, LLC1,371$215.2K0.05%00.0%Unchanged
CI Private Wealth, LLC1,463$229.7K0.00%−500−25.5%Reduced
Precision Wealth Strategies, LLC1,500$235.5K0.22%+1,500New
ClearAlpha Technologies LP1,571$246.6K0.11%+1,571New
Petrus Trust Company, LTA1,602$251.5K0.02%−2,423−60.2%Reduced
Evernest Financial Advisors, LLC1,650$259.1K0.07%+1,650New
Toroso Investments, LLC1,722$270.4K0.00%−2,250−56.6%Reduced
Profund Advisors LLC1,741$273.3K0.01%+1,741New
Sherbrooke Park Advisers LLC1,836$288.3K0.07%−1,781−49.2%Reduced
Two Sigma Securities, LLC1,892$297.0K0.02%+1,892New
Guidance Capital, Inc2,358$298.5K0.09%+2,358New
Sanctuary Advisors, LLC4,041$307.3K0.00%+1,568+63.4%Added
Captrust Financial Advisors1,988$312.1K0.00%+340+20.6%Added